The HQ Mini Casters provide convenient portability for the HQ InSight Table or HQ Loft Frame. Each set includes two locking casters. Compatible with HQ InSight Table and HQ Loft Frame, only—will not work with other Handi Quilter frames or tables. Maximum weight per caster – 100lbs The HQ InSight Table would require FOUR (4) casters total or two sets The 8-foot HQ Loft Frame would require SIX (6) casters total or three sets The 10-foot HQ Loft Frame setup would require EIGHT (8 ) casters total or four sets